Twin Ports Overture

Recording by Mark Camphouse.

Recording identifiers

ISRC
USVZX1500101
CopyrightID (CopyrightChains transaction hash)
0x3ee156bc6c896d91f054750eb359835402f319c703025dbca510593e49243a36
Copyright registration time
2026-07-07T03:49:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:27ae255ce82d0bdae8671aa1154c03d4162042b13e04af8bedc4d7250f34d61c

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.